:root{--ground:#ffffff;--surface:#f6f8fb;--ink:#0a0f1e;--muted:#5c6675;--brand:#0a6cfb;--line:#e4e7ec}
*{box-sizing:border-box;margin:0}
body{background:var(--ground);color:var(--ink);font-family:"PingFang SC","Noto Sans SC",system-ui,sans-serif;line-height:1.9;padding:3rem 1.25rem 5rem}
main{max-width:44rem;margin:0 auto}
h1{font-size:1.7rem;margin-bottom:.4rem}
.meta{font-family:ui-monospace,monospace;font-size:.75rem;color:var(--brand);letter-spacing:.12em;text-transform:uppercase}
h2{font-size:1.1rem;margin:2.2rem 0 .6rem;padding-left:.75rem;border-left:2px solid var(--brand)}
p,li{color:var(--muted);font-size:.95rem}
ul{padding-left:1.2rem;margin:.4rem 0}
a{color:var(--brand)}
.updated{margin-top:3rem;font-size:.8rem;color:var(--muted);border-top:1px solid var(--line);padding-top:1rem}